Category Archive: code

Oct 17

Structure-from-Motion Toy Lib Upgrades to OpenCV 3

sfm toy lib

The toy SfM library is upgraded to OpenCV 3.x and gets a ton of simplifications.


Apr 24

WTH OpenGL 4? Rendering elements arrays with VAOs and VBOs in a QGLWidget

Simple example usage of OpenGL 4 and vertex array / vertex buffer rendering in a Qt QGLWidget.


Mar 04

[Python] OpenCV capturing from a v4l2 device

A python snippet on capturing from a v4l2 camera into OpenCV


Mar 02

OpenCV Python YAML persistance

A python snippet for saving OpenCV FileStorage-compatible YAML files


Feb 20

Simple Loading Spinner Tapestry 5 Mixin w/ spin.js

A simple loading spinner mixin for Apache Tapestry 5


Jan 28

Adding radial labels to Dimple.JS pie chart

Add radial labels to a dimple.js pie chart using D3.js


Jan 27

Bootstrap3 fluid container with custom width sidebar

A simple way to get a custom size side bar alongside a Bootstrap3 container-fluid.


Jan 15

YUYV to JPEG conversion with libjpeg

A cpp code snippet for converting YUYV to JPEG using libjpeg.


May 08

Quickly: How to render a PDF to an image in C++?

How to render a PDF to an image in C++ using Poppler


Mar 16

Bootstrapping planar AR and tracking without markers [w/code]

Years ago I wanted to implement PTAM. I was young and na├»ve Well I got a few moments to spare on a recent sleepless night, and I set out to implement the basic bootstrapping step of initializing a map with a planar object - no known markers needed, and then tracking it for augmented reality …

Continue reading »


Older posts «